IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-20. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% Princeps gloriosissime MichaelPrinceps gloriosissime Michael
  2. 🔍 85% Princeps gloriosissimePrinceps gloriosissime
  3. 🔍 64% Princeps gloriosissime RaphaelPrinceps gloriosissime Raphael
  4. 🔍 61% Princeps gloriosissime MichaelPrinceps gloriosissime Michael
  5. 🔍 56% Princeps gloriosissime (S. Raph.)Princeps gloriosissime (S. Raph.)
  6. 🔍 46% PrincepsPrinceps
  7. 🔍 42% Filiae Jerusalem veniteFiliae Jerusalem venite
  8. 🔍 38% Filiae JerusalemFiliae Jerusalem
  9. 🔍 37% Filiae Jerusalem veniteFiliae Jerusalem venite
  10. 🔍 31% Hodie completi suntHodie completi sunt
  11. 🔍 31% Hodie completi sunt diesHodie completi sunt dies
  12. 🔍 30% Archangele MichaelArchangele Michael
  13. 🔍 30% O crux splendidiorO crux splendidior
  14. 🔍 30% Angeli Archangeli (Omn. Sanct.)Angeli Archangeli (Omn. Sanct.)
  15. 🔍 28% In virtute tuaIn virtute tua
  16. 🔍 28% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  17. 🔍 28% Venit lumen tuumVenit lumen tuum
  18. 🔍 28% Spiritus quiSpiritus qui
  19. 🔍 28% Angeli Archangeli (Omn. Sanct.)Angeli Archangeli (Omn. Sanct.)
  20. 🔍 27% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  21. 🔍 27% Si quis sititSi quis sitit
  22. 🔍 27% Hodie Simon PetrusHodie Simon Petrus
  23. 🔍 27% Hodie Simon PetrusHodie Simon Petrus
  24. 🔍 27% Ite nuntiate fratribusIte nuntiate fratribus
  25. 🔍 27% Cor Jesu amantissimumCor Jesu amantissimum
  26. 🔍 27% O Crux splendidiorO Crux splendidior
  27. 🔍 27% Archangele MichaelArchangele Michael
  28. 🔍 27% Alleluia LaudateAlleluia Laudate
  29. 🔍 26% Spiritus ParaclitusSpiritus Paraclitus
  30. 🔍 26% Si vere fratresSi vere fratres
  31. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  32. 🔍 26% Dum praeliareturDum praeliaretur
  33. 🔍 26% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  34. 🔍 26% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  35. 🔍 26% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  36. 🔍 26% Si diligitis meSi diligitis me
  37. 🔍 26% Hodie completi suntHodie completi sunt
  38. 🔍 26% AlleluiaAlleluia
  39. 🔍 25% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  40. 🔍 25% Lux de luceLux de luce
  41. 🔍 25% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  42. 🔍 25% Angeli Archangeli..CherubimAngeli Archangeli..Cherubim
  43. 🔍 25% Sanctificavit DominusSanctificavit Dominus
  44. 🔍 25% Domine Deus... qui repertusDomine Deus... qui repertus
  45. 🔍 25% Mihi absitMihi absit
  46. 🔍 25% Videte manus measVidete manus meas
  47. 🔍 25% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  48. 🔍 24% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  49. 🔍 24% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  50. 🔍 24% Si manseritis in meSi manseritis in me
  51. 🔍 24% Si diligis meSi diligis me
  52. 🔍 24% Canite tubaCanite tuba
  53. 🔍 24% Dum venerit Paraclitus (2)Dum venerit Paraclitus (2)
  54. 🔍 24% Dum sacrum mysteriumDum sacrum mysterium
  55. 🔍 24% Alleluia (mode 8)Alleluia (mode 8)
  56. 🔍 24% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  57. 🔍 24% Archangele MichaelArchangele Michael
  58. 🔍 24% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  59. 🔍 24% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  60. 🔍 24% Hodie Simon PetrusHodie Simon Petrus
  61. 🔍 24% Amavit eum DominusAmavit eum Dominus
  62. 🔍 24% Beata Mater...Regina mundi sentiantBeata Mater...Regina mundi sentiant
  63. 🔍 24% Dum venerit ParaclitusDum venerit Paraclitus
  64. 🔍 24% Cibavit eos... AlleluiaCibavit eos... Alleluia
  65. 🔍 24% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)